396 Rev. H. Clark on the Halticidee of South America. 
Lactica azuretpennis. 
L. lata, ovalis, elytris confuse et subtiliter punctatis azureis, flava: capu. 
carina inter antennarum bases brevi longitudinali, impunctatum : thorax 
latus, transversus, fovea basali arcuata et profunda: scutellum triangulare, 
impunctatum : elytra lata, parallela, apice rotundata, confuse punctata, 
punctis minutis et versus apicem obsoletis: antenne fusce, art. 1-5 
plus minus flavis: pedes rufi: corpus subtus rufum. 
Long. corp. lin, 3, lat. lin, 14. 
S. Paulo, Amazons. Taken by Mr. Bates. 
Lactica tibialis, Baly. 
Journ. Ent. vi. 1862, pl. 31. fig. 6 (not fig. 7). 
Lactica violacetpennis (Dej. Cat.). 
LL. rufo-flava, elytris nigro-violaceis : caput impunctatum, flavum : thorax 
angulis anticis prominulis, latus, transversus, rectangularis, fovea basali 
abrupto et profundo: seutellum triangulare, impunctatum, flayo-rufum : 
elytra robusta, parallela, brevia, confuse punctata, punctis plus minus 
minutis et versus apicem obsoletis: corpus subtus flayum : pedes flavi ; 
tibiis tarsisque nigris: antenne nigre, art. 1 rufo-flayo, art. 9-11 
albidis. 
Long. corp. lin. 83, lat. lin, 13. 
I have received this species from Cayenne, Brazil, and Mexico, 
and have also captured it at Rio Janeiro; there is no difference 
whatever among the several examples, except in degree of punctua- 
tion of the elytra; one of my examples from Cayenne shows a ten- 
dency to rufous coloration at the apex of the elytra, and has the five 
instead of the three terminal joints of the antennz white. 
Lactica marginata. 
L. lata, depressa, subtiliter punctata, flava, elytris (marginibus preeter- 
missis) pedibusque nigris: caput impunctatum: thorar fovea basali 
haud profunda, impunctatus, flavus: seutellum rufo-flavum : elytra lata, 
subovata, subtiliter punctata, nigra, margine utrinque lato equali rufo- 
flavo: corpus subtus rufo-flavum: pedes nigri: antenne albido-tes- 
tacee. 
Long. corp. lin. 3, lat. lin. 1}. 
S. Paulo, Amazons. Taken by Mr. Bates. 
Lactica sponsa, De}. Cat. 
L. parallela, flava, elytris cyaneis: caput super oculos oblique etiamque 
ad medium arcuate foveolatum, impunctatum: thorax fovea transversa 
basali profunda, impunctatus : scwtellum impunctatum, flavum : elytra 
fortiter variolosa, punctis interdum confluentibus, cyaneis vel nigro- 
